10324 - Zeros and Ones】的更多相关文章

Problem N Zeros and Ones Input: standard input Output: standard output Time Limit: 2 seconds Memory Limit: 32 MB Given a string of 0's and 1's up to 1000000 characters long and indices i and j, you are to answer a question whether all characters betw…
Description Given a string of 0's and 1's up to 1000000 characters long and indices i and j, you are to answer a question whether all characters between position min(i,j) and position max(i,j) (inclusive) are the same. Input There are multiple cases…
Write an algorithm which computes the number of trailing zeros in n factorial. Have you met this question in a real interview? Yes Example 11! = 39916800, so the out should be 2 /* * param n: As desciption * return: An integer, denote the number of t…
A. Case of the Zeros and Ones time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing…
A. Case of the Zeros and Ones Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/556/problem/A Description Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros an…
题目: 尾部的零 设计一个算法,计算出n阶乘中尾部零的个数 样例 11! = 39916800,因此应该返回 2 挑战 O(logN)的时间复杂度 解题: 常用方法: 也许你在编程之美中看到,通过求能够被2 整除和能够被5整除个数的最小值就是答案,或者直接求能够被5整除的个数就是答案<能够被5整除的数显然比较小>,但是在这里,java python都试了,结果都会出现运行超时或者越界的问题. 维基百科中有如下计算方法: Java程序: class Solution { /* * param n…
题意: 找出长度为n.0和1个数相等.没有前导0且为k的倍数的二进制数的个数. 分析: 这道题要用动态规划来做. 设dp(zeros, ones, mod)为有zeros个0,ones个1,除以k的余数为mod的二进制数的个数,则状态转移方程为: dp(zeros + 1, ones, (mod>>1) % k) += dp(zeros, ones, mod) dp(zeros, ones + 1, ((mod>>1)+1) % k) += dp(zeros, ones, mod)…
Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u   Description Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones. Once he thought about a string…
A. Case of the Zeros and Ones Description Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones. Once he thought about a string of length n consisting of zeroes and ones. Conside…
Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Description Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones. Once he thought about a string of…